The threat of future nerve agent attacks is spurring urgent efforts to find better countermeasures, with several promising compounds in the pipeline.
In the 1980s, Iraq frequently shelled Iranian soldiers and villagers with sulfur mustard and nerve agents. Scientists are seeking to uncover how the chemical attacks trigger illnesses decades later.
The Iran nuclear deal opened doors for the Islamic republic to join in on collaborative nuclear experiments—but uncertainty over the agreement’s fate has put many of those projects on hold.
Science Magazine’s Richard Stone talks about his experiences traveling the world and reporting on international efforts to improve nuclear security.
Overcoming spying allegations and years of enmity, U.S. and Chinese nuclear scientists team up to neutralize proliferation risks around the world.
In one of the world's least recognized crises, hunger amplifies disease for millions fleeing the violence of Boko Haram in northeastern Nigeria.
Ice loss on Greenland used to be driven by massive calving glaciers. Now surface melt dominates, driven by sun, dust and the surprising role of microbes.
Greenland has hundreds of archeological sites that have never been excavated, but a shortage of homegrown archeologists to explore their homeland. A few young upstarts want to change that.
Archaeologists have a new answer to the mystery of Greenland's Norse, who thrived for centuries and then vanished.
In the effort to end its HIV/AIDS epidemic, South Africa has made strides, but still faces major challenges.
Ambitious experiment will test whether rising CO2 will boost the tropical carbon sink.
A controversial strategy known as mass drug administration could be key to wiping out the disease in the Mekong region.